Makoto Samejima

Title: Makoto Samejima: Innovator in Hydraulic Pump Control Systems

Introduction

Makoto Samejima is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of hydraulic systems, particularly in the control of construction machinery. With a total of 3 patents to his name, Samejima's work has had a notable impact on the efficiency and performance of hydraulic pumps.

Latest Patents

One of Samejima's latest patents is a control apparatus for construction machines. This hydraulic pump control system is designed to manage the absorbing torque of a hydraulic pump in relation to the engine power driving it. The system aims to achieve a well-balanced operation while minimizing the deviation of the actual engine revolution number from the target revolution number. By estimating the torque of hydraulic pumps during operation based on pump pressure and line pressures, the system effectively controls the output torque to eliminate errors between the target and actual engine revolutions.

Career Highlights

Samejima is currently employed at Shin Caterpillar Mitsubishi Ltd., where he continues to innovate and develop advanced hydraulic systems. His expertise in hydraulic technology has positioned him as a key player in the industry, contributing to the advancement of construction machinery.

Collaborations

Throughout his career, Samejima has collaborated with notable colleagues, including Masatoshi Miki and Kazunori Yoshino. These partnerships have fostered a creative environment that encourages innovation and the development of cutting-edge technologies.

Conclusion

Makoto Samejima's contributions to hydraulic pump control systems exemplify his dedication to innovation in the field of construction machinery. His patents reflect a commitment to enhancing efficiency and performance, making him a valuable asset to the industry.